It's a gun made of skin and the bullet is made of gas it is natural

trig 15.3 cos

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide